Lyman biggs



LYMAN RIGGS, OF LANSING, MICHIGN.'

Letters-.Patent .Non 73,390, dated Jammrg/ 14,k 1868.

IMPROVEMENT IN CONVERTIBLE FORK AND HOOK.

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TO WHOM IT MAY CONOER'N:

Be it known that I,.LYMAN RIGGS, of Lansing, in the county of Ingham, and State of Michigan, have invented a. new and valuable Improvement in Convertible Forks; and I do hereby declare that the following is' a full, clear, :incl @met description ofthe construction and operation of' the same, reference being had te the annexed drawings, making a part of this specification, and to the letters end gures of reference marked thereon.

The object of my.invention is to constructbetter means than have heretofore been devised for converting a. hay or manure-fork into o. hook or hoe nt pleasure. I f

To this cnil I construct the shank of the fork in the form shown ou Figures 2 and 3 of the drawings, and adjust thereto the devices on the handle, also therein shown, giving to the `rhole, when united, the Form shown on Figure l. A v

Letters A, B, and C are notches on the shank, fitted for the reception of the springs on the handle hereinafter mentioned. Letters D and E arc-springs aifixedto the handle, and Working in the notches A and B, in the'manner represented. F is o. pin, working loosely in o. groove, :is shown. It has shoulders, which rest respectively against the insides of springs C and D. It also posses through said springs, und forms projections on the outsides thereof, respectively, in the manner represented. Letter Cr is :i holt that holds the springs C and D in their places and H is n bolt. that connects the shank of the 'orl: with the handle, and upon which the said shank rotates.

The mode of operating my device is fully represented on g. 3 of the drawings.

What I claim as my invention, and desire to secure by Letters Patent, is

l. The pin F, constructed and operating substantially as und for the purposes set forth.

2. In combination with the shank of a. fork, having notches A., Deland C, the springs D and E, constructed and operating substantially as specified.

LYMAN RIGGS.

Witnesses A. E. CoWLns,

M. D. GSBAND. 

